(A) Earnings on balances in the federal accounts must be credited and invested according to federal law. Earnings on state accounts must be credited to the state highway account or state transit account that generates the earnings. The bank may establish accounts and subaccounts within the state accounts and federal accounts as considered desirable to effectuate the purposes of this chapter, or to meet the requirements of any state or federal programs. All accounts must be held in trust by the State Treasurer.

(B) For necessary and convenient administration of the bank, the board shall direct the State Treasurer to establish federal and state accounts and subaccounts within the bank necessary to meet any applicable federal law requirements or as the bank shall determine necessary or desirable in order to implement the provisions of this chapter.

(C) The bank shall comply with all applicable federal laws and regulations prohibiting the commingling of certain federal funds deposited in the bank.